RHSA-2025:11572 — Security Advisory
Red Hat Security Advisory: kernel-rt security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · July 23, 2025
Updated · October 31, 2026
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
-
kernel: net: atm: fix use after free in lec_send() (CVE-2025-22004)
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kernel: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() (CVE-2025-22121)
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kernel: ibmvnic: Use kernel helpers for hex dumps (CVE-2025-22104)
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kernel: ext4: fix off-by-one error in do_split (CVE-2025-23150)
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kernel: udmabuf: fix a buf size overflow issue during udmabuf creation (CVE-2025-37803)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.